Two Indian-Americans are among a trio of 22-year-olds who've become world's youngest self-made billionaires, beating Meta owner Mark Zuckerberg, who became a billionaire at 23. Adarsh Hiremath, Brendan Foody and Surya Midha's AI recruiting startup Mercor secured a $10 billion valuation after raising $350 million in funding. While Foody is Mercor's CEO, Hiremath is CTO, Midha is the board chairman.